Do you know what are the common quality problems with terminal wires?

Terminal wire is mainly used for data transmission between electronic components, electronic devices, it is a kind of data transmission line, for example: the connection between PCB boards. The quality of the terminal line directly chooses the quality of electronic products, so in the manufacturing process of electronic products, the purchase of terminal line is very important. The plastic insulating material and conductive parts of the terminal line are directly related to the quality of the terminal, they respectively choose the insulation function and conductive function of the terminal. Any one terminal failure will lead to the failure of the entire system engineering. In this regard, domestic and foreign seizures of the painful lessons are very profound. Prevention is the intention, analysis is the basis. In a sense, preventing failure is more important than analyzing failure. It is to ensure the quality and reliability of the terminals have more practical significance. Terminals from the point of view of the use, should reach the function is: the contact part of the local conductive necessary to conduct, reliable contact. Insulation parts should not lead to the local necessary insulation and reliable. Terminal common fatal failure methods are as follows: 1, poor contact terminal line inside the metal conductor is the center of the terminal parts, it will come from the external wire or cable voltage, current or signal transmission to the connector corresponding to its general contact parts. Therefore, it is necessary to have excellent contact structure, stable and reliable contact adherence and outstanding conductive function. As a result of unreasonable structural design of contact parts, material selection error, mold instability, processing scale is poor, surface roughness, heat treatment plating and other surface treatment process is unreasonable, improper assembly, storage and use of poor environmental and operational use of improper, will be in contact with the contact parts and collaborative parts of the contact parts constitute a poor contact. 2, insulation insulation is to make the role of the contact parts to adhere to the correct orientation of the placement, and to make contact with the contact parts, contact with the contact parts, contact with the contact parts between, contact with the contact parts, and the contact with the contact parts of the corresponding conductive function. Between the contact parts and contact parts, contact parts and shell insulation between each other. Therefore, it is necessary to have excellent electrical function, mechanical function and process molding function. Especially with the high-density, miniaturized terminals are widely used, the useful wall thickness of the insulator is getting thinner and thinner. This insulating materials, injection mold precision and molding process put forward more stringent requirements. Due to the insulator surface or internal existence of metal excess, surface dust, solder and other pollution moisture, organic materials and harmful gases adsorption film and the surface of the water film mingled with the ionic conductive channel, moisture absorption, mold, aging of insulating materials, etc., will constitute a short-circuit, leakage, breakdown, insulation resistance is low, such as insulation and other insulation phenomena.

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